690673669480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1\times {\mathrm{16139}}^1$

素因数の和:16511

約数の個数: 128

約数和(自身を含む): 1610642880000

約数和(自身を除く): 919969210520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 139, 172, 179, 215, 278, 344, 358, 430, 556, 695, 716, 860, 895, 1112, 1390, 1432, 1720, 1790, 2780, 3580, 5560, 5977, 7160, 7697, 11954, 15394, 16139, 23908, 24881, 29885, 30788, 32278, 38485, 47816, 49762, 59770, 61576, 64556, 76970, 80695, 99524, 119540, 124405, 129112, 153940, 161390, 199048, 239080, 248810, 307880, 322780, 497620, 645560, 693977, 995240, 1069883, 1387954, 2139766, 2243321, 2775908, 2888881, 3469885, 4279532, 4486642, 5349415, 5551816, 5777762, 6939770, 8559064, 8973284, 10698830, 11216605, 11555524, 13879540, 14444405, 17946568, 21397660, 22433210, 23111048, 27759080, 28888810, 42795320, 44866420, 57777620, 89732840, 96462803, 115555240, 124221883, 192925606, 248443766, 385851212, 401554459, 482314015, 496887532, 621109415, 771702424, 803108918, 964628030, 993775064, 1242218830, 1606217836, 1929256060, 2007772295, 2484437660, 3212435672, 3858512120, 4015544590, 4968875320, 8031089180, 16062178360, 17266841737, 34533683474, 69067366948, 86334208685, 138134733896, 172668417370, 345336834740, 690673669480]

約数ペア:

[(1, 690673669480), (2, 345336834740), (4, 172668417370), (5, 138134733896), (8, 86334208685), (10, 69067366948), (20, 34533683474), (40, 17266841737), (43, 16062178360), (86, 8031089180), (139, 4968875320), (172, 4015544590), (179, 3858512120), (215, 3212435672), (278, 2484437660), (344, 2007772295), (358, 1929256060), (430, 1606217836), (556, 1242218830), (695, 993775064), (716, 964628030), (860, 803108918), (895, 771702424), (1112, 621109415), (1390, 496887532), (1432, 482314015), (1720, 401554459), (1790, 385851212), (2780, 248443766), (3580, 192925606), (5560, 124221883), (5977, 115555240), (7160, 96462803), (7697, 89732840), (11954, 57777620), (15394, 44866420), (16139, 42795320), (23908, 28888810), (24881, 27759080), (29885, 23111048), (30788, 22433210), (32278, 21397660), (38485, 17946568), (47816, 14444405), (49762, 13879540), (59770, 11555524), (61576, 11216605), (64556, 10698830), (76970, 8973284), (80695, 8559064), (99524, 6939770), (119540, 5777762), (124405, 5551816), (129112, 5349415), (153940, 4486642), (161390, 4279532), (199048, 3469885), (239080, 2888881), (248810, 2775908), (307880, 2243321), (322780, 2139766), (497620, 1387954), (645560, 1069883), (693977, 995240)]